Hepatitis B
Medically ReviewedOften Asymptomatic
Hepatitis B is a serious viral liver infection that can become chronic in 5–10% of adults. It is detected with a blood test from 6 weeks post-exposure. Vaccination is the most effective prevention, and antiviral treatments can manage chronic infection effectively.
Hepatitis B: Key Facts
Often Asymptomatic- Incubation Period
- 6 weeks to 6 months (average 90 days)
- Test Window
- 6 weeks post-exposure
- Results
- 24–48 hours
- Treatment
- Antiviral medication for chronic infection
Results within 24 hours • Same-day treatment available
Symptoms of Hepatitis B
Common Symptoms
- Fatigue
- Nausea and vomiting
- Jaundice (yellowing of skin and eyes)
- Dark urine
- Abdominal pain
- Joint pain
- Loss of appetite
- Many people have no symptoms
How is Hepatitis B Transmitted?
- Unprotected vaginal, anal, or oral sex
- Sharing needles or injecting equipment
- From mother to baby during birth
- Contact with infected blood
- Sharing razors or toothbrushes
Prevention
- Hepatitis B vaccination
- Use condoms
- Do not share needles or personal items that may carry blood
- Regular testing if at risk
Complications if Untreated
- Chronic hepatitis B (5–10% of adults)
- Cirrhosis of the liver
- Liver cancer (hepatocellular carcinoma)
- Liver failure
Frequently Asked Questions
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View PackagesHepatitis B: Key Facts
Often Asymptomatic- Incubation Period
- 6 weeks to 6 months (average 90 days)
- Test Window
- 6 weeks post-exposure
- Results
- 24–48 hours
- Treatment
- Antiviral medication for chronic infection
Results within 24 hours • Same-day treatment available